CN100483100C - Waste-water on-line monitoring synchronous sampling sample-leaving system - Google Patents
Waste-water on-line monitoring synchronous sampling sample-leaving system Download PDFInfo
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- CN100483100C CN100483100C CNB2006100235178A CN200610023517A CN100483100C CN 100483100 C CN100483100 C CN 100483100C CN B2006100235178 A CNB2006100235178 A CN B2006100235178A CN 200610023517 A CN200610023517 A CN 200610023517A CN 100483100 C CN100483100 C CN 100483100C
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Abstract
Said invention refers to monitoring system capable of automatically proceeding realtime sampling and file sample in on-line monitoring to industrial wastewater discharge. It includes water catchment pump, automatic analysis calcimeter, water automatic sampling instrument and computer control centre, featuring set file sample groove having equal number with automatic analysis calcimeter, each file sample groove parallel connection with a automatic analysis calcimeter by pipeline between water catchment pump and wastewater outlet pipeline, each water automatic sampling instrument connected with a corresponded file sample groove by pipeline. Said invention solves synchronism and consistency between file sample waste water and tested superstandard, and pollutant system pipeline to sample.
Description
Technical field:
The invention relates to measurement, the monitoring system that can carry out real-time sampling and keep sample overstandard waste water voluntarily during especially about the on-line monitoring of industrial wastewater discharge.
Prior art:
Industrial wastewater discharge is known together by common people for the pollution of ecologic environment and the harm that is produced, each state all formulates sewage drainage standard and punishment regulations in legislation and it is exercised supervision and manages for this reason, and it is also perfect as the environmental monitoring technology on supervision and management basis in continuous development, the waste water on-line monitoring technique is exactly a kind of rapidly environmental monitoring technology of development in recent years, can carry out real-time and continuous automatic monitoring to the waste water of industrial pollution source emission, have great importance for improving total amount of pollutant control and environmental management ability.Because the complicacy and the uncertainty of industrial waste water, the waste water on-line monitoring generally need be sampled automatically to the industrial waste water that exceeds standard, and does to keep sample analysis.These waste water on-line monitoring systems are made up of automatic assay determination instrument, the automatic sampling instrument of water and computer controlling center at present, this system is arranged near the discharge of wastewater mouth of pollution source, the data of being measured use wired or wireless transmission technique instantaneous transmission to Surveillance center, realize unmanned operation automatically, but this system in use has following defective:
1, the automatic sampling instrument of water need be after each automatic assay determination instrument (as PH instrument, COD chemical oxygen demand (COD) analyser, TOC total organic carbon analyzer etc.) come out DATA REASONING with certain hour, whether machine control center differentiates and to exceed standard as calculated, is only sent instructions to start just now by computer controlling center when exceeding standard and gathers the sample that keeps sample.Because the automatic sampling instrument of water is to extract waste water from weir flow groove (as Bashel groove, triangle weir notch, rectangle weir notch etc.) with the assay determination instrument is the same automatically, and the waste water in this weir flow groove flows constantly, when determining to keep sample by the time, waste water when the non-instrumental analysis of the waste water in the weir flow groove is measured, the system that is to say exists because the problem of the sample distortion that keeps sample that sampling lag produced that keeps sample.
2 if make the sample of sampling undistorted, just must in analysis-e/or determining, keep sample, no matter this just means that whether monitored sewage exceeds standard, and all will do the processing that keeps sample, so, the overstandard waste water rate that effectively keeps sample is very low, and the automatic sampling instrument of the water limited amount that keeps sample, only can keep 24 samples, need the monitoring personnel unmanned monitoring station of driving every day to handle to keeping sample, and, so just can make the program that keeps sample be continued operation with Program reset.And the quantity of a metropolitan sewage automatic monitor station is very huge, and this will cause the consumption and the expenditure of great amount of manpower and material resources, financial resources.
What 3, the pipeline in the sampling system used is the plastics that contain the chlorine composition, as PVC (Polyvinylchloride), UPVC (rigid polyvinyl chloride) etc., when these tubing are the strong acid-base state as industrial waste water, having trace chlorine separates out, cause secondary pollution, the impact analysis measurement result is unfavorable for the fairness and the science of blowdown supervision law-enforcing work.
Summary of the invention:
The object of the present invention is to provide a kind of waste water on-line monitoring synchronized sampling---sample-leaving system, mainly solve the simultaneity and the conforming technical matters of keep sample waste water and tested overstandard waste water, secondly is to solve the technical matters of sampling system pipeline to sample contamination.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of waste water on-line monitoring synchronized sampling---sample-leaving system, comprise water intaking pump, automatic assay determination instrument, the automatic sampling instrument of water and computer controlling center, it is characterized in that: be provided with the sample reserving groove that equates with automatic analyzer quantity, each sample reserving groove and an automatic analyzer are parallel between water intaking pump and the wastewater outlet pipeline with pipeline, and the sample reserving groove that the automatic sampling instrument of each water is corresponding with respectively links to each other with pipeline.
It is characterized in that: this system is by automatic assay determination instrument with the sample reserving groove corresponding integrated system that be connected of a water intaking pump usefulness pipeline with each parallel connection; Or be connected and split type system that separate subsystem is formed with pipeline and in parallel automatic assay determination instrument are corresponding with sample reserving groove by at least two each pumps of freely fetching water.
Its special being: described intrasystem connecting line is not chloride polyethylene pipe, not chloride polypropylene tube or not chloride PPR pipe.
The present invention has following beneficial effect:
1, system can divide combination according to tested project of difference and survey frequency, selects flexibly to be provided with, and samples, analyzes and the purpose of the repetition measurement that keeps sample thereby reach respectively.
2, can in analysis to measure, retain real-time waste water, wait until the automatic sampling instrument collection of the Shi Youshui that exceeds standard and keep sample in the sample reserving groove inter-sync.
3, sample reserving groove can upgrade wherein waste water voluntarily, so special discharge opeing facility needn't be set, has simplified device structure, has improved reliability of system operation again.
4, the sample that keeps sample of system of the present invention can embody the authenticity and the representativeness of instant overstandard waste water, for administrative law enforcement provides strong foundation.
5, system itself has stopped the possibility of secondary pollution, has improved the accuracy of measuring.
Description of drawings:
Accompanying drawing is a kind of system configuration synoptic diagram of the present invention.
Embodiment:
See also shown in the accompanying drawing, the present invention is arranged near the automatic monitor station of enterprise wastewater floss hole.Synchronized sampling of the present invention---sample-leaving system comprises automatic assay determination instrument 1, the automatic sampling instrument 4 of water, computer controlling center 5 and water intaking pump 6, and is provided with special-purpose sample reserving groove 2.The kind of automatic assay determination instrument 1 and quantity are determined by the number of entry of being surveyed in the system, count analyser, ammonia nitrogen and total blood urea/nitrogen analyzer, permanganate analyser etc. as PH (potential of hydrogen) instrument, COD (chemical oxygen demand (COD)) analyser, TOC (total organic carbon) analyser, total phosphorus analyser, fluoride analyser, chloride analyzer, nitrate analyser, basicity analyser, copper analyser, ammonium ion analyser, turbidity analyser, chlorine ammonia analyser, UV organism analyser, conventional Wucan; The quantity of the automatic sampling instrument 4 of water equates with automatic assay determination instrument 1 quantity.Synchronized sampling of the present invention---sample-leaving system is provided with the sample reserving groove 2 with automatic assay determination instrument 1 equivalent amount, the inlet parallel connection of the sample reserving groove 2 that each automatic assay determination instrument 1 is corresponding with, and the water intaking pump 6 by near the pipeline sampling portion with being arranged on weir flow groove 7 (as Bashel groove, triangle weir notch, Wen Quli groove or rectangle weir notch etc.) water inlet links to each other, and their water delivering orifice links to each other with the wastewater discharge pipe 3 of enterprise with pipeline respectively; Each sample reserving groove 2 usefulness pipeline links to each other with an automatic sampling instrument 4 of corresponding water.Computer controlling center 5 is general computing machines that have the predetermined control program, the circuit of this automatic assay determination instrument 1, the automatic sampling instrument 4 of water, computer controlling center 5 and water intaking pump 6 be connected and the establishment of control program identical with existing on-line monitoring station sampling system, belong to prior art, the application repeats no more this.Contraction mouth at weir flow groove 7 also is provided with flowmeter probe 8, and these flowmeter probe 8 usefulness signal cables connect with prior art consistent with computer controlling center 5 relevant interfaces.Weir flow groove 7 water delivering orifices link to each other with wastewater discharge pipe 3 with pipeline equally.
After water intaking pump 6 is opened, the waste water of weir flow groove 7 of flowing through is pumped to system, flow into each automatic assay determination instrument 1 and sample reserving groove 2 by the road, fill or renewal sample reserving groove 2, pump 6 work then stop to fetch water, starting automatic assay determination instrument 1 respectively measures the mensuration of project and measured signal is delivered to computer controlling center 5 implementation computings differentiations, in case judging the numerical value that a certain automatic assay determination instrument 1 is measured exceeds standard, computer controlling center 5 is sent signal by preset program to the automatic sampling instrument 4 of corresponding water, from the sample reserving groove 2 of this automatic assay determination instrument 1 parallel connection in extract the identical waste water retained synchronously samples as the repetition measurement that keeps sample.After having extracted sample, computer controlling center 5 follow procedures regulation, restart water intaking pump 6 and from weir flow groove 7, extract waste water, because the water inlet of sample reserving groove 2 is at nearly bottom land place, and water delivering orifice belongs to a kind of water intake mode of flooded type on groove top, it makes stays liquid in the waste water process of flowing in the groove, through a suitable time interval (generally between 60 to 180 seconds), automatically the waste water of storing in the groove is carried out update all, to meet the next round assay determination.
Synchronized sampling of the present invention---sample-leaving system can be the integral type system that only adopts a water intaking pump 6 each automatic assay determination instrument 1 of supply and sample reserving groove 2, it also can be the discrete system that constitutes by two subsystems as shown in drawings, each subsystem except that computer controlling center 5 for total, remaining pump 6 of fetching water, automatically assay determination instrument 1 and the automatic sampling instrument 4 of water have an independently system each other of one's own, a subsystem is born assay determination and the sampling of COD and TOC---and keep sample, another subsystem is then born pH value and conventional Wucan number, ammonia nitrogen and total nitrogen, chlorine ammonia, ammonium ion, permanganate, total phosphorus, fluoride, chloride, nitrate, the UV organism, copper, the assay determination of other parameter such as basicity or turbidity and keeping sample---sampling.Simultaneously, synchronized sampling of the present invention---sample-leaving system can also be made up of the subsystem more than two, and each subsystem is born the assay determination and the sampling of a certain or some parameter respectively---keep sample.
Be of the influence of the anti-pipeline of locking system own to measuring, the pipeline of making by chloride Polyvinylchloride (comprising rigid polyvinyl chloride) particularly, its chlorion can be dissolved in the industrial waste water of strong acid-base, pipeline in the system of the present invention adopts by not chloride plastics manufacturing, manages as polyethylene pipe, polypropylene tube or PPR (atactic copolymerized polypropene).
Claims (3)
1, a kind of waste water on-line monitoring synchronized sampling---sample-leaving system, comprise water intaking pump, automatic assay determination instrument, the automatic sampling instrument of water and computer controlling center, it is characterized in that: be provided with the sample reserving groove that equates with automatic assay determination instrument quantity, each sample reserving groove and an automatic assay determination instrument are parallel between water intaking pump and the wastewater outlet pipeline with pipeline, and the sample reserving groove that the automatic sampling instrument of each water is corresponding with respectively links to each other with pipeline.
2, waste water on-line monitoring synchronized sampling according to claim 1---sample-leaving system is characterized in that: this system is by automatic assay determination instrument with the sample reserving groove corresponding integrated system that be connected of a water intaking pump usefulness pipeline with each parallel connection; Or be connected and split type system that separate subsystem is formed with pipeline and in parallel automatic assay determination instrument are corresponding with sample reserving groove by at least two each pumps of freely fetching water.
3, waste water on-line monitoring synchronized sampling according to claim 1 and 2---sample-leaving system, Qi Tete is: described intrasystem connecting line is not chloride polyethylene pipe, not chloride polypropylene tube or not chloride PPR polypropylene random copolymer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100235178A CN100483100C (en) | 2006-01-20 | 2006-01-20 | Waste-water on-line monitoring synchronous sampling sample-leaving system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100235178A CN100483100C (en) | 2006-01-20 | 2006-01-20 | Waste-water on-line monitoring synchronous sampling sample-leaving system |
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| CN1815160A CN1815160A (en) | 2006-08-09 |
| CN100483100C true CN100483100C (en) | 2009-04-29 |
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| CNB2006100235178A Expired - Fee Related CN100483100C (en) | 2006-01-20 | 2006-01-20 | Waste-water on-line monitoring synchronous sampling sample-leaving system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021543B (en) * | 2007-03-13 | 2012-10-03 | 上海市环境监测中心 | Water polletion source on-line dynamic tracking monitoring method and system |
| CN101493471B (en) * | 2008-01-25 | 2013-07-17 | 衣学文 | Water sample on-line monitoring and overproof sample holding apparatus and operation method thereof |
| CN102435465A (en) * | 2011-09-21 | 2012-05-02 | 东南大学 | Memory wastewater sample reserving device based on RFID (Radio Frequency Identification Device) and application method thereof |
| CN102866123B (en) * | 2012-09-12 | 2013-08-07 | 南京新思维自动化科技有限公司 | Wastewater sampler/sample reserving device capable of continuously monitoring water sample with chemical oxygen demand (COD) concentration peak value |
| CN106610636B (en) * | 2015-10-21 | 2020-05-05 | 河北瑞纳德环保科技有限公司 | Pollution source remote spot check system and spot check method |
| CN109060888A (en) * | 2018-07-19 | 2018-12-21 | 浙江维思无线网络技术有限公司 | A kind of sampling method and device |
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